' You are 70 so (you) probably only have one or two, maybe five years, left...).' Oh dear. At 83 how much more do I get ?
Regarding the topic I find this story hard to believe, but you never know. No fool like an old fool, as the saying goes.
It certainly is. Now hidden and disguised, but central to the Quran and to Islamic teaching throughout the middle east and mosques in Europe and the USA, is the reward of a place in heaven to any Muslim who kills an infidel eg a Christian or a Jew.
Martin should be ashamed of himself. It would be interesting to know how he reacted to the Palestinian/Hamas attack of 7 October 2023 during which over 1700 Israeli men, women, children and infants were brutally murdered.
Most of the answers are contained in your original post. A variety of reasons but, in one way or another, related to money. Personally I enjoy the company of the former bar girls.